GBCSA / Educate / Masterclass 3

ONLINE MASTER CLASS SERIES: A Deep Dive into Green Building Aspects

GBCSA is launching a masterclass series that will offer a deep dive into various technical aspects of green buildings.

The 2-hour sessions will vary in subject matter and aim to equip green building professionals, architects, developers and contractors with a greater understanding of green building aspects.

The elimination and control of indoor pollutant sources

Volatile Organic Compound free- Paint coatings

We spend over 90% of our lives indoors and our exposure to air pollutants can be far greater through breathing indoor air than outdoor air. It is commonly found for most air pollutants that indoor air concentrations are far in excess of those outdoors. The health implications of exposure to VOCs are consistent with ‘sick building syndrome’ effects including eye, nose and skin irritation, headache and lethargy. According to scientific research, poor indoor environmental quality has a substantial price tag in lost productivity and even more in health sector costs.

This Masterclass will focus on Natural Paint Technology, which is VOC-free, contains natural ingredients, is asthma- and allergy-friendly and Washable & Scrub-Resistant.

We have teamed up with ProNature to dive into the Basic Chemistry of Natural paint, how to select the correct coatings for various substrates, the various surface preparation and conditions, Volatile Organic Content and potential Toxicity of different paint types, and finally the Evaluation of various Coatings.

Date: 12 July 2023
Time: 14:00 – 16:00
Members R200 per person, per class
Non-Members: R400 per person, per class
Platform: Zoom


Bernhard completed a paint chemistry diploma and has been in the paint and allied raw material
industry for 46 years. He has worked in Germany and South Africa in technical and managerial

In 1997 he started his own company, ProNature, in Cape Town focusing on coatings made from
sustainable natural ingredients. ProNature’ s main interest is in wood finishes and architectural

Masterclass 3

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